This latest edition of CHEMISTRY: PRINCIPLES AND REACTIONS takes students directly to the crux of chemistry's fundamental concepts and allows you to efficiently cover all topics found in a typical general chemistry book. Based on the authors' extensive teaching experience, the book includes rigorous graded and concept-driven examples, as well as examples that focus on molecular reasoning and understanding. The Eighth Edition features a new and innovative example format, new "talking labels" within artwork, 25% new or revised problems, "Chemistry: Beyond the Classroom" essays that highlight some of the most up-to-date uses of chemistry, and end-of-chapter questions and Key Concepts that correlate to OWLv2, the #1 online homework and tutorial system for chemistry.